| Tomball to Clarksdale (Mississippi) | 409.11 mi (658.39 km) |
| Tomball to Clarkston (Georgia) | 714.28 mi (1,149.53 km) |
| Tomball to Clarksville (Indiana) | 799.04 mi (1,285.93 km) |
| Tomball to Clarksville (Tennessee) | 654.05 mi (1,052.59 km) |
| Tomball to Clawson (Michigan) | 1,102.37 mi (1,774.09 km) |
| Tomball to Clay (Alabama) | 583.86 mi (939.63 km) |
| Tomball to Clayton (California) | 1,594.73 mi (2,566.47 km) |
| Tomball to Clayton (Missouri) | 662.94 mi (1,066.89 km) |
| Tomball to Clayton (North Carolina) | 1,066.04 mi (1,715.63 km) |
| Tomball to Clayton (Ohio) | 928.25 mi (1,493.88 km) |
| Tomball to Clearfield (Utah) | 1,191.30 mi (1,917.22 km) |
| Tomball to Clearlake (California) | 1,647.39 mi (2,651.21 km) |
| Tomball to Clearwater (Florida) | 789.86 mi (1,271.16 km) |
| Tomball to Cleburne (Texas) | 188.87 mi (303.96 km) |
| Tomball to Clemmons (North Carolina) | 971.27 mi (1,563.11 km) |
